| 3/7/2018 | 382499920039 | INSULATION PREPARATOR (ABADUR)
| 450 | Kilogram | 3919.2 | N/A | KORDSA TEKNIK TEKSTIL ANONIM SIRKETI |
| 3/26/2018 | 382499969068 | SYNTETIC MIDEL INSULATION FLUID - SYNTETIC ESTER DIELECTRIC INSULATING FLUID (7 UNITS 1000 KG IBC TANK)
| 7 | Units | 22614.99 | N/A | ABB ELEKTRIK SANAYI ANONIM SIRKETI |
| 3/11/2018 | 380894900019 | CLAMSHELL SYS 2 (INSULATION COVER) [SPC4211] 54137601751022
| 13020 | Units | 5081.4 | N/A | BAXTER TURKEY RENAL HIZMETLER ANONIM SIRKETI |
| 3/25/2018 | 382200009011 | * DNA INSULATION *
| 3 | Units | 2583.66 | N/A | CESNA INSAAT MÜHENDISLIK VE DANISMANLIKSAN.VE TIC.LTD.STI. |
| 3/22/2018 | 382499920039 | INSULATION MUSTAHZARI
| 50 | Kilogram | 1049.66 | N/A | KORDSA TEKNIK TEKSTIL ANONIM SIRKETI |
| 3/29/2024 | 382499920039 | EPOXY RESINS USED IN THE INSULATION OF ARADUR HY 925 POWER TRANSFORMER (NOT ONE OF THE THOSE USED IN FOOD AND FEED INDUSTRY AND VET+RINNERSHIP) | 8400 | KILOGRAM | 54579 | N/A | ASTOR ENERJİ ANONİM ŞİRKETİ |
| 3/1/2024 | 382499700000 | FLOOR INSULATION MATERIAL | 40 | LITER | 96 | N/A | MAPEİ YAPI KİMYASALLARI İNŞAAT SANAYİ VE TİCARET ANONİM ŞİRKETİ |
| 3/14/2024 | 382499700000 | CLEANING/STRAPPING PRODUCT FOR BUILDING INSULATION | 100 | LITER | 2663 | N/A | TCE INTERNATİONAL ELEKTRONİK İTHALAT VE İHRACAT LİMİTED ŞİRKETİ |
| 3/14/2024 | 382499700000 | CLEANING/STRAPPING PRODUCT FOR BUILDING INSULATION | 200 | LITER | 5711 | N/A | TCE INTERNATİONAL ELEKTRONİK İTHALAT VE İHRACAT LİMİTED ŞİRKETİ |
| 3/7/2024 | 380190009000 | INSULATION MATERIAL | 240 | UNIT | 8963 | N/A | SAMM TEKNOLOJİ İLETİŞİM SANAYİ VE TİCARET ANONİM ŞİRKETİ |